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Smokers With ST-Segment Elevation Myocardial Infarction and Short Time to Treatment Have Equal Effects of PCI and Fibrinolysis.
MedLine Citation:
PMID:  22865311     Owner:  NLM     Status:  In-Data-Review    
OBJECTIVES: The purpose of this study was to examine the effect of primary percutaneous coronary intervention (PCI) compared to fibrinolysis in smokers and non-smokers with ST-segment elevation myocardial infarction (STEMI). Smokers seem to have less atherosclerosis but are more prone to thrombotic disease. Compared to non-smokers, they have higher rates of early, complete reperfusion when treated with fibrinolysis for MI.
METHODS AND RESULTS: In the Second Danish Multicenter Trial in Acute Myocardial Infarction (DANAMI-2), a total of 1572 patients with STEMI were randomized to either fibrinolysis or PCI (1129 patients were enrolled at 24 referral hospitals and 443 patients at 5 invasive treatment centers). The primary endpoint for this substudy was death by any cause. Secondary endpoints were a composite of death by any cause, clinical re-infarction or disabling stroke. Follow-up was 3 years. The effect of PCI is reported according to time to treatment and smoking status. Data on smoking habits were available for 1534 patients (895 smokers and 639 non-smokers). Smokers with short time to treatment (<3 hours) benefited equally from PCI and fibrinolysis with a trend toward higher mortality in the PCI group (mortality [hazard ratio, 1.64 (0.79-3.41); P=.18], composite endpoint [hazard ratio, 1.06 (0.65-1.71); P=.82]). In non-smokers with short time to treatment PCI was superior to fibrinolysis (mortality [hazard ratio, 0.46 (0.22-0.93); P=.02], combined endpoint [hazard ratio, 0.45 (0.26- 0.79); P=.004]). Patients with >3 hours to treatment all showed a tendency toward a superior effect of PCI irrespective of smoking habits.
CONCLUSIONS: PCI and fibrinolysis are equally beneficial in smokers with STEMI and short time to treatment.
Thomas Rasmussen; Henning Kelbæk; Jan Kyst Madsen; Per Thayssen; Klaus Rasmussen; Leif Thuesen; Lars Køber
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of invasive cardiology     Volume:  24     ISSN:  1557-2501     ISO Abbreviation:  J Invasive Cardiol     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-08-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8917477     Medline TA:  J Invasive Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  401-6     Citation Subset:  IM    
Rigshospitalet, University of Copenhagen, Cardiology, Rigshospitalet, Blegdamsvej 9, Copenhagen, Denmark 2100.
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